Color

#34475b

#34475b
hex#34475b
rgbrgb(52, 71, 91)
hslhsl(211, 27%, 28%)
oklchoklch(0.391 0.042 250.2)
Closest name: Bluedgeons (#324c64)Relative luminance 0.0599

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#5b4834

#345a5b · #35345b

#5b3447 · #475b34

Split-complementary

Open in tool →

#5b3534 · #5a5b34

#5b345a · #5b4834 · #345b35

Contrast

#34475b as textRatioAAAA largeAAAFix
Aaon white
9.55:1passpasspassPasses AAA — no fix needed.
Aaon black
2.2:1failfailfail
  • AA: use #59799b as the text (4.63:1)
  • AAA: use #7d98b5 as the text (7.03:1)
  • AA: or shift the background to #b3b3b3 (4.56:1)
  • AAA: or shift the background to #dedede (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #34475b as the background.

Brands using this color

Fonts for this mood

#34475b reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #34475b
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #34475b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/34475b-9cabc4-df534e-1f202d-e9f1f1?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md